39989448 has 48 divisors (see below), whose sum is σ = 108888000. Its totient is φ = 13258080.

The previous prime is 39989447. The next prime is 39989449. The reversal of 39989448 is 84498993.

It is an interprime number because it is at equal distance from previous prime (39989447) and next prime (39989449).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 39989394 and 39989403.

It is not an unprimeable number, because it can be changed into a prime (39989447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12933 + ... + 15723.

It is an arithmetic number, because the mean of its divisors is an integer number (2268500).

Almost surely, 2^39989448 is an apocalyptic number.

It is an amenable number.

39989448 is an abundant number, since it is smaller than the sum of its proper divisors (68898552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39989448 is a wasteful number, since it uses less digits than its factorization.

39989448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 2995 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 39989448 is about 6323.7210564667. The cubic root of 39989448 is about 341.9651139136.

The spelling of 39989448 in words is "thirty-nine million, nine hundred eighty-nine thousand, four hundred forty-eight".